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Report for 2020 12
 Monthly Climatological Summary for Dec 2020 Name: ofallonweather.com City: O'Fallon State: MO Elevation: 550 ft Lat: N 38° 50' 20" Lon: W 090° 43' 43" Temperature (°F), Rain (in), Wind Speed (mph) Heat Cool Avg Mean Deg Deg Wind Dom Day Temp High Time Low Time Days Days Rain Speed High Time Dir ---------------------------------------------------------------------------------- 1 29.8 42.0 3:56p 20.2 5:27a 35.2 0.0 0.00 1.7 12.0 2:52p WNW 2 34.1 47.9 2:59p 21.9 6:07a 30.9 0.0 0.00 1.2 9.0 10:52a E 3 39.6 45.6 11:46a 32.2 2:03a 25.4 0.0 0.00 1.7 11.0 7:31a WSW 4 42.4 50.5 2:49p 36.7 7:45a 22.6 0.0 0.00 3.7 17.0 12:55p W 5 40.4 52.5 2:30p 29.8 7:10a 24.6 0.0 0.00 0.9 9.0 1:27p SE 6 36.1 41.9 3:38p 28.1 7:25a 28.9 0.0 0.00 1.6 9.0 11:14a NNE 7 37.4 40.5 1:34p 31.7 8:38p 27.6 0.0 0.00 2.5 12.0 6:23a NW 8 39.6 47.3 2:32p 34.9 2:20a 25.3 0.0 0.00 2.5 12.0 11:22p SW 9 51.8 67.5 3:30p 41.4 12:00a 13.4 0.2 0.00 3.0 11.0 2:20a W 10 50.1 67.9 3:21p 34.3 7:22a 15.1 0.2 0.00 1.4 11.0 10:48p SW 11 54.0 57.5 11:43a 49.0 8:59a 11.0 0.0 0.81 3.7 22.0 6:01p SSW 12 41.6 54.2 12:00a 35.7 11:52p 23.4 0.0 0.01 6.8 24.0 5:32a W 13 35.6 36.9 11:27a 32.3 11:59p 29.4 0.0 0.00 2.9 18.0 11:58p NNW 14 28.9 34.5 1:14p 23.5 11:41p 36.1 0.0 0.00 3.8 17.0 12:31a NNW 15 28.3 33.3 3:05p 22.7 4:40a 36.6 0.0 0.00 3.2 15.0 5:26p ENE 16 29.1 34.8 2:10p 23.3 10:25p 35.9 0.0 0.00 3.3 16.0 12:44p NNW 17 27.5 35.5 2:33p 21.2 6:24a 37.5 0.0 0.00 1.8 14.0 2:44p WSW 18 35.6 44.8 3:18p 24.3 5:38a 29.4 0.0 0.01 4.3 19.0 6:50p SSE 19 42.4 48.5 11:42a 33.8 11:57p 22.6 0.0 0.00 5.2 17.0 12:55a W 20 36.8 49.9 4:11p 26.2 5:15a 28.2 0.0 0.00 2.1 16.0 1:58p SW 21 48.7 57.2 2:44p 40.3 1:00a 16.3 0.0 0.00 8.4 31.0 2:32p W 22 44.6 54.4 3:42p 30.9 7:43a 20.4 0.0 0.00 4.6 22.0 11:44p S 23 48.9 62.1 12:53p 24.5 11:06p 16.1 0.0 0.13 10.1 37.0 10:42p SW 24 20.0 25.9 12:19a 13.9 11:59p 45.1 0.0 0.00 8.0 27.0 12:24a WNW 25 17.7 27.6 11:25p 8.6 7:19a 47.3 0.0 0.00 5.4 26.0 3:46a WNW 26 34.2 43.8 2:40p 23.4 7:13a 29.5 0.0 0.00 2.2 13.0 12:23a SSE 27 46.2 59.0 3:11p 29.9 2:30a 18.7 0.0 0.00 6.0 26.0 8:01p WSW 28 32.8 37.4 2:37p 25.8 11:35p 31.7 0.0 0.00 3.3 18.0 5:13a NW 29 30.8 41.6 11:57p 25.5 6:26a 33.7 0.0 0.00 5.6 20.0 6:20p SE 30 36.7 46.7 6:45a 27.5 11:59p 28.3 0.0 0.34 4.9 22.0 7:33a WNW 31 27.5 32.9 2:44p 21.1 7:50a 37.5 0.0 0.00 3.0 16.0 10:33p ENE ---------------------------------------------------------------------------------- 37.1 67.9 10 8.6 25 863.7 0.4 1.30 3.8 37.0 23 W Max >= 90.0: 0 Max <= 32.0: 2 Min <= 32.0: 21 Min <= 0.0: 0 Max Rain: 0.81 on day 11 Days of Rain: 5 (>= 0.01 in) 3 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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